EZ Swivel Shower Stool by Carex Screens Privacy Replacement Caster 3 x Color:Yellow Replacement Caster 3 x 1 1 4 * HD Casters Have Threaded Stem For Extra Security And Safety * All Single Wheel Castes Come With Removable Bolt And Locknut Allowing Disassemlby For Easy Cleaning And Removal Of Build Up Grime Thread Or Anything Else That Your Wheel Picks Up During Normal Usage * This Caster System Will Add Longevity To Your Casters * Swivel: Double Ball Bearing With Hardened Raceways For Extra Strength * Cover: Helps Protect Swivel Bearings * Construction: Heavy Guage Cold Rolled Steel Formed For Strength Baseline© Back Leg Chest Dynamometer Standard Platform 165 lb Capacity: The Baseline© back leg and chest dynamometer is perfect for muscle strength measurement job task analysis and functional capacity evaluation (FCE) *The unit can be used to measure strength of muscles of the back leg and chest *The measurement base provides secure footing *Chain length is adjusted to accommodate for height differences or to vary the point of force application *Maximum reading remains until the unit is reset *The strength reading can be viewed as pounds or kilograms *CE Certified *Comes in a protective carrying case *Dimensions: 18 x 3 x 18 *Weight: 16 lbs *UPC: 714905014382 * The padded seats rotates 360 degrees and offers easier entrance and exit to the bathtub The Carex EZ Swivel Stool assembles quickly with no tools